/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.spark.network;

import java.net.InetAddress;

public class TestUtils {
  public static String getLocalHost() {
    try {
      return (System.getenv().containsKey("SPARK_LOCAL_IP"))?
        System.getenv("SPARK_LOCAL_IP"):
          InetAddress.getLocalHost().getHostAddress();
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
}
